Electronic calculating pen



FIG. 1 is a bottom front perspective view of a electronic calculating pen;

FIG. 2 is a front elevation view of the electronic calculating pen of FIG. 1;

FIG. 3 is a right side view of the electronic calculating pen of FIG. 1;

FIG. 4 is a left side view of the electronic calculating pen of FIG. 1;

FIG. 5 is a rear elevation view of the electronic calculating pen of FIG. 1; and,

FIG. 6 is a top front perspective view of the electronic calculating pen of FIG. 1. 

The ornamental design for a electronic calculating pen, as shown and described. 